/* roulang page: index */
:root {
  --ink: #12110E;
  --ink-2: #1C1916;
  --panel: #171511;
  --ember: #FF6A3D;
  --gold: #E8A04A;
  --wine: #6B2D3C;
  --sand: #D7C4A3;
  --text: #F6E7D4;
  --muted: #B7A892;
  --line: rgba(232, 160, 74, .45);
  --signal: #C8F54A;
  --radius: 24px;
  --shadow: 0 16px 40px rgba(0, 0, 0, .35);
  --grad: linear-gradient(100deg, #FF6A3D 0%, #E8A04A 52%, #6B2D3C 100%);
  --pad: 88px;
  --max: 1160px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: "Noto Sans SC", sans-serif;
  font-size: 17px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; height: auto; border: 0; }
a { color: var(--gold); text-decoration: none; }
a:hover { color: var(--ember); }
button, input, select { font-family: inherit; }
h1, h2, h3, h4 { font-family: "Noto Sans SC", sans-serif; font-weight: 700; line-height: 1.25; color: var(--text); margin: 0 0 .6rem; }
h1 { font-size: 48px; }
h2 { font-size: 32px; }
h3 { font-size: 20px; }
p { margin: 0 0 1rem; }
.num { font-family: "Barlow Condensed", "Noto Sans SC", sans-serif; font-weight: 700; letter-spacing: .02em; }
.container { width: 100%; max-width: var(--max); margin-inline: auto; padding-left: 20px; padding-right: 20px; }
:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 1040;
  background: rgba(18, 17, 14, .92);
  border-bottom: 1px solid rgba(232, 160, 74, .7);
  backdrop-filter: blur(12px);
}
.nav-bar { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.navbar { padding: 0; --bs-navbar-color: var(--text); --bs-navbar-hover-color: var(--ember); --bs-navbar-active-color: var(--gold); }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); min-height: 44px; }
.brand:hover { color: var(--sand); }
.brand-mark {
  width: 22px; height: 22px; position: relative; flex: 0 0 auto;
  border: 1px solid rgba(232, 160, 74, .85);
}
.brand-mark::before, .brand-mark::after {
  content: ""; position: absolute; width: 7px; height: 7px; border-style: solid; border-color: var(--signal);
}
.brand-mark::before { top: -1px; left: -1px; border-width: 2px 0 0 2px; }
.brand-mark::after { right: -1px; bottom: -1px; border-width: 0 2px 2px 0; }
.brand-name { font-size: 20px; font-weight: 700; white-space: nowrap; }
.nav-toggle {
  width: 44px; height: 44px; border-radius: 12px; border: 1px solid var(--line);
  background: transparent; display: inline-flex; flex-direction: column; justify-content: center; align-items: center; gap: 5px;
}
.nav-toggle span { width: 18px; height: 2px; background: var(--gold); display: block; }
.navbar-nav { gap: 6px; align-items: center; }
.nav-link {
  color: var(--text) !important; min-height: 44px; display: flex; align-items: center;
  padding: 8px 14px !important; border-radius: 999px; font-weight: 500; position: relative;
}
.nav-link:hover { color: var(--ember) !important; background: rgba(255, 106, 61, .08); }
.nav-link.is-current {
  background-image: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent !important;
  box-shadow: inset 0 -2px 0 var(--gold);
  border-radius: 0;
}
.nav-cta {
  border: 1px solid var(--sand);
  color: var(--sand) !important;
  background: transparent;
}
.nav-cta:hover { background: rgba(215, 196, 163, .1); color: #fff !important; }
main { display: block; }
main > section { padding: var(--pad) 0; position: relative; }
main > section:nth-child(odd) { background: var(--panel); }
main > section:nth-child(even) {
  background:
    linear-gradient(120deg, rgba(255, 106, 61, .12), rgba(232, 160, 74, .12) 48%, rgba(107, 45, 60, .12)),
    var(--ink);
}
.block-head { max-width: 760px; margin-bottom: 32px; }
.block-head p { color: var(--muted); margin: 0; }
.kicker { display: inline-flex; align-items: center; gap: 8px; color: var(--sand); font-weight: 700; margin-bottom: 12px; }
.kicker i { width: 8px; height: 8px; border-radius: 50%; background: var(--ember); display: inline-block; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 36px; align-items: center; }
.hero-copy .sub { font-size: 20px; color: var(--sand); margin: 8px 0 16px; }
.hero-copy .intro { color: var(--text); max-width: 620px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.btn {
  --bs-btn-bg: transparent;
  --bs-btn-color: var(--text);
  --bs-btn-border-color: transparent;
  --bs-btn-hover-bg: transparent;
  --bs-btn-hover-color: var(--text);
  --bs-btn-hover-border-color: transparent;
  --bs-btn-active-bg: transparent;
  --bs-btn-active-color: var(--text);
  --bs-btn-disabled-bg: transparent;
  border-radius: 999px !important;
  min-height: 48px;
  padding: 12px 22px !important;
  font-weight: 700;
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
}
.btn-brand {
  background: var(--grad) !important;
  color: #1a100e !important;
  border: 0 !important;
  box-shadow: var(--shadow);
}
.btn-brand:hover {
  background: linear-gradient(100deg, #6B2D3C, #E8A04A 46%, #FF6A3D) !important;
  color: #fff8f2 !important;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .65), var(--shadow);
  transform: translateY(-2px);
}
.btn-brand:active { transform: translateY(1px); }
.btn-ghost {
  background: transparent !important;
  color: var(--sand) !important;
  border: 1px solid var(--sand) !important;
}
.btn-ghost:hover { background: rgba(215, 196, 163, .1) !important; color: #fff !important; transform: translateY(-2px); }
.demo-card, .soft-card, .plan, .review-card, .case, .night-card, .feature-card, .news-item, .channel-card, .compare-col, .faq-wrap .accordion-item, .form-panel {
  background: rgba(28, 25, 22, .92);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.demo-card { position: relative; padding: 16px; overflow: hidden; }
.demo-card img, .case img, .stage-visual img { width: 100%; aspect-ratio: 16/9; object-fit: cover; border-radius: 24px; }
.scan::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; border-radius: inherit;
  opacity: .08;
  background: repeating-linear-gradient(to bottom, #fff 0 1px, transparent 1px 8px);
}
.frame::before, .frame::after {
  content: ""; position: absolute; width: 16px; height: 16px; border: 1px solid rgba(200, 245, 74, .9); z-index: 2;
}
.frame::before { top: 10px; left: 10px; border-right: 0; border-bottom: 0; }
.frame::after { right: 10px; bottom: 10px; border-left: 0; border-top: 0; }
.float-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.pill {
  display: inline-flex; align-items: baseline; gap: 6px;
  border-radius: 999px; padding: 6px 12px; border: 1px solid var(--line);
  background: #12110E; color: var(--sand); font-size: 14px; line-height: 1.2;
}
.pill b, .pill .num { color: var(--ember); font-size: 22px; }
.metric-head { display: grid; grid-template-columns: .8fr 1.2fr; gap: 28px; align-items: center; }
.metric-row { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.metric-row li {
  border-radius: 999px; border: 1px solid var(--line); background: #1C1916;
  box-shadow: var(--shadow); padding: 14px 16px; display: flex; flex-direction: column; align-items: flex-start; min-height: 92px;
  transition: transform .2s ease, border-color .2s ease;
}
.metric-row li:hover { transform: translateY(-4px); border-color: var(--gold); }
.metric-row .num { font-size: 34px; color: var(--ember); line-height: 1; }
.metric-row small { color: var(--muted); font-size: 13px; }
.metric-row b { font-size: 14px; font-weight: 700; }
.bento { display: grid; grid-template-columns: 1.25fr .75fr; gap: 16px; }
.bento .wide-left { grid-column: 1; }
.bento .narrow-right { grid-column: 2; }
.feature-card { padding: 24px; min-height: 180px; transition: transform .2s ease, border-color .2s ease; position: relative; }
.feature-card:hover, .night-card:hover, .review-card:hover, .news-item:hover, .channel-card:hover, .case:hover, .plan:hover {
  transform: translateY(-4px); border-color: var(--gold);
}
.feature-card p, .night-card p, .channel-card p { color: var(--muted); margin: 0; }
.tag {
  display: inline-block; border-radius: 999px; padding: 2px 10px; font-size: 12px;
  color: #1a100e; background: var(--grad); font-weight: 700; margin-bottom: 10px;
}
.scene-list { display: flex; flex-direction: column; gap: 14px; }
.scene {
  display: grid; grid-template-columns: 92px 1fr 120px; gap: 16px; align-items: center;
  padding: 18px 20px; border-radius: var(--radius); border: 1px solid var(--line); background: rgba(18, 17, 14, .72);
}
.scene-no { font-size: 40px; color: var(--ember); line-height: 1; }
.scene h3 { margin-bottom: 4px; }
.scene p { margin: 0; color: var(--muted); }
.scene-scale { height: 36px; background: repeating-linear-gradient(90deg, rgba(200, 245, 74, .9) 0 2px, transparent 2px 14px); opacity: .45; border-radius: 999px; }
.stage { display: grid; grid-template-columns: 1.3fr .7fr; gap: 20px; align-items: stretch; }
.stage-visual { position: relative; }
.note-list { list-style: none; margin: 0; padding: 8px 0 0; display: flex; flex-direction: column; gap: 12px; }
.note-list li {
  border-radius: 999px; border: 1px solid var(--line); padding: 12px 16px; background: #12110E; color: var(--sand);
}
.note-list strong { color: var(--text); margin-right: 8px; }
.night-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; position: relative; }
.night-row::before {
  content: ""; position: absolute; left: 8%; right: 8%; top: 28px; height: 1px; background: rgba(232, 160, 74, .45);
}
.night-card { padding: 22px; position: relative; }
.night-card .when { color: var(--ember); font-size: 13px; letter-spacing: .08em; }
.case-list { display: flex; flex-direction: column; gap: 16px; }
.case { display: grid; grid-template-columns: 280px 1fr; gap: 20px; padding: 16px; align-items: center; }
.case img { aspect-ratio: 4/3; }
.case p { color: var(--muted); margin: 0; }
.delta { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.ladder { display: flex; flex-direction: column; gap: 14px; max-width: 760px; }
.plan { padding: 22px 24px; display: grid; grid-template-columns: 1.2fr .8fr auto; gap: 12px; align-items: center; }
.plan-mid {
  margin-left: 48px; border-color: var(--gold);
  background:
    linear-gradient(180deg, rgba(255, 106, 61, .16), rgba(28, 25, 22, .95) 42%);
  transform: translateY(-6px);
}
.plan .price { font-size: 42px; color: var(--ember); line-height: 1; }
.plan small { color: var(--muted); display: block; }
.review-wall { columns: 3; column-gap: 16px; }
.review-card { break-inside: avoid; margin: 0 0 16px; padding: 18px 18px 14px; display: inline-block; width: 100%; }
.review-card.tall { padding-bottom: 36px; }
.review-card.short { padding-bottom: 8px; }
.stars { color: var(--gold); letter-spacing: 2px; font-size: 14px; }
.review-card q { quotes: none; display: block; margin-top: 8px; font-size: 18px; }
.voice-bar { display: grid; grid-template-columns: 1fr 180px; gap: 18px; align-items: center; }
.marquee { overflow: hidden; border-radius: 999px; border: 1px solid var(--line); background: #12110E; }
.marquee-track { display: flex; gap: 10px; width: max-content; padding: 10px; animation: slide 28s linear infinite; }
.voice-badge {
  border-radius: var(--radius); border: 1px solid var(--gold); text-align: center; padding: 18px 10px;
  background: #1C1916; box-shadow: var(--shadow);
}
.voice-badge .num { font-size: 48px; color: var(--ember); display: block; line-height: 1; }
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.compare-col { padding: 22px; }
.compare-col ul { list-style: none; margin: 0; padding: 0; }
.compare-col li { padding: 10px 0; border-bottom: 1px solid rgba(232, 160, 74, .2); color: var(--sand); }
.compare-col.hot { background: linear-gradient(180deg, rgba(255, 106, 61, .14), rgba(28, 25, 22, .92)); }
.news-list { display: flex; flex-direction: column; gap: 12px; }
.news-item a { display: grid; grid-template-columns: 72px 1fr; gap: 14px; padding: 16px 18px; color: inherit; border-radius: var(--radius); }
.news-item { transition: transform .2s ease, border-color .2s ease; }
.news-item time { color: var(--ember); font-family: "Barlow Condensed", sans-serif; font-size: 22px; font-weight: 700; }
.news-item p { margin: 0; color: var(--muted); }
.more-row { margin-top: 18px; }
.axis { list-style: none; margin: 0; padding: 0 0 0 8px; border-left: 1px solid rgba(232, 160, 74, .5); }
.axis li { position: relative; padding: 0 0 28px 28px; }
.axis li::before {
  content: ""; position: absolute; left: -5px; top: 8px; width: 9px; height: 9px; border-radius: 50%;
  background: var(--ember); box-shadow: 0 0 0 4px rgba(255, 106, 61, .18);
}
.axis p { color: var(--muted); margin: 0; }
.channel-grid { display: grid; grid-template-columns: 1.35fr .85fr; gap: 16px; }
.channel-card { padding: 28px; min-height: 220px; display: flex; flex-direction: column; justify-content: space-between; color: inherit; transition: transform .2s ease, border-color .2s ease; }
.channel-card.alt { min-height: 180px; align-self: end; }
.channel-card span { color: var(--sand); }
.accordion { --bs-accordion-bg: transparent; --bs-accordion-border-color: transparent; --bs-accordion-btn-focus-box-shadow: none; --bs-accordion-active-bg: transparent; --bs-accordion-active-color: var(--text); --bs-accordion-btn-color: var(--text); }
.accordion-item { margin-bottom: 12px; overflow: hidden; position: relative; background: #171511; }
.accordion-item:has(.accordion-collapse.show)::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: linear-gradient(#FF6A3D, #E8A04A, #6B2D3C);
}
.accordion-button {
  background: transparent !important; color: var(--text) !important; font-weight: 700; box-shadow: none !important;
  padding: 18px 20px; font-size: 18px;
}
.accordion-button::after {
  background-image: none !important; width: 10px; height: 10px; margin-left: auto;
  border-right: 2px solid var(--sand); border-bottom: 2px solid var(--sand); transform: rotate(45deg);
}
.accordion-button:not(.collapsed)::after { transform: rotate(225deg); }
.accordion-body { color: var(--muted); padding: 0 20px 18px; }
.cta-band {
  background:
    linear-gradient(110deg, rgba(255, 106, 61, .95), rgba(232, 160, 74, .9) 46%, rgba(107, 45, 60, .96)) !important;
}
.cta-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; align-items: center; }
.cta-band h2, .cta-copy { color: #1a100e; }
.cta-copy { font-size: 16px; }
.form-panel { padding: 22px; background: #12110E; }
.form-panel.is-success { border-color: var(--gold); box-shadow: 0 0 0 1px var(--gold), var(--shadow); }
.field { margin-bottom: 12px; }
.field label { display: block; margin-bottom: 6px; color: var(--sand); font-size: 14px; }
.field input, .field select {
  width: 100%; min-height: 48px; border-radius: 14px; border: 1px solid var(--line);
  background: #171511; color: var(--text); padding: 10px 12px;
}
.field.is-error input, .field.is-error select { border-color: var(--wine); box-shadow: 0 0 0 1px var(--wine); }
.form-status { min-height: 1.5em; margin: 8px 0 0; color: var(--sand); }
.form-status.is-error { color: #ffb4c0; }
.form-status.is-ok { color: var(--gold); }
.form-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.site-footer { background: #0e0d0b; border-top: 1px solid rgba(232, 160, 74, .4); padding: 42px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr .8fr; gap: 24px; align-items: start; }
.footer-nav { display: flex; flex-direction: column; gap: 8px; }
.footer-nav a { min-height: 36px; color: var(--sand); }
.footer-nav a:hover { color: var(--ember); }
.copy { color: var(--muted); margin: 0; }
.footer-brand p { color: var(--muted); margin-top: 8px; }
@media (max-width: 1199.98px) {
  .bento { grid-template-columns: 1fr 1fr; }
  .review-wall { columns: 2; }
}
@media (max-width: 991.98px) {
  :root { --pad: 64px; }
  h1 { font-size: 40px; }
  h2 { font-size: 28px; }
  .nav-toggle { display: inline-flex; }
  .navbar-collapse { background: #12110E; border-top: 1px solid rgba(232, 160, 74, .4); padding: 8px 0 16px; }
  .navbar-nav { align-items: stretch; width: 100%; }
  .nav-link { width: 100%; }
  .hero-grid, .metric-head, .stage, .cta-grid, .voice-bar, .channel-grid, .footer-grid { grid-template-columns: 1fr; }
  .case { grid-template-columns: 1fr; }
  .night-row { grid-template-columns: 1fr; }
  .night-row::before { display: none; }
  .plan { grid-template-columns: 1fr; }
  .plan-mid { margin-left: 0; }
  .scene { grid-template-columns: 72px 1fr; }
  .scene-scale { display: none; }
}
@media (min-width: 992px) {
  .nav-toggle { display: none; }
}
@media (max-width: 767.98px) {
  .metric-row, .compare, .bento { grid-template-columns: 1fr; }
  .review-wall { columns: 1; }
  .news-item a { grid-template-columns: 64px 1fr; }
}
@media (max-width: 575.98px) {
  :root { --pad: 48px; }
  h1 { font-size: 32px; }
  h2 { font-size: 24px; }
  body { font-size: 16px; }
  .frame::before, .frame::after, .scene-scale, .tick { display: none; }
  .brand-name { font-size: 16px; }
  .hero-actions .btn, .form-actions .btn { width: 100%; }
  .metric-row { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; }
  html { scroll-behavior: auto; }
}
@keyframes slide {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* roulang page: category1 */
:root {
 --ink: #12110E;
 --ink-2: #1C1916;
 --panel: #171511;
 --ember: #FF6A3D;
 --gold: #E8A04A;
 --wine: #6B2D3C;
 --sand: #D7C4A3;
 --text: #F6E7D4;
 --muted: #B7A892;
 --line: rgba(232, 160, 74, .45);
 --signal: #C8F54A;
 --radius: 24px;
 --shadow: 0 16px 40px rgba(0, 0, 0, .35);
 --grad: linear-gradient(100deg, #FF6A3D 0%, #E8A04A 52%, #6B2D3C 100%);
 --pad: 88px;
 --max: 1160px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 background: var(--ink);
 color: var(--text);
 font-family: "Noto Sans SC", sans-serif;
 font-size: 17px;
 line-height: 1.75;
 text-rendering: optimizeLegibility;
 overflow-x: hidden;
}
img { max-width: 100%; display: block; height: auto; border: 0; }
a { color: var(--gold); text-decoration: none; }
a:hover { color: var(--ember); }
button, input, select { font-family: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid var(--signal); outline-offset: 2px; }
[hidden] { display: none !important; }
h1, h2, h3, h4 { font-family: "Noto Sans SC", sans-serif; font-weight: 700; line-height: 1.25; color: var(--text); }
h1 { font-size: 48px; margin: 0; }
h2 { font-size: 32px; margin: 0 0 18px; }
h3 { font-size: 20px; margin: 0 0 8px; }
p { margin: 0; }
.container { width: 100%; max-width: var(--max); margin-inline: auto; padding-left: 20px; padding-right: 20px; }
.num { font-family: "Barlow Condensed", sans-serif; font-weight: 700; font-variant-numeric: tabular-nums; letter-spacing: .02em; }
.site-header {
 position: sticky;
 top: 0;
 z-index: 1040;
 background: rgba(18, 17, 14, .92);
 border-bottom: 1px solid rgba(232, 160, 74, .7);
 backdrop-filter: blur(12px);
}
.nav-bar { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.navbar { padding: 0; --bs-navbar-color: var(--text); --bs-navbar-hover-color: var(--ember); --bs-navbar-active-color: var(--gold); --bs-navbar-toggler-border-color: transparent; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); min-height: 44px; }
.brand:hover { color: var(--sand); }
.brand-mark {
 width: 22px; height: 22px; position: relative; flex: 0 0 auto;
 border: 1px solid rgba(232, 160, 74, .85);
}
.brand-mark::before, .brand-mark::after {
 content: ""; position: absolute; width: 7px; height: 7px; border-style: solid; border-color: var(--signal);
}
.brand-mark::before { top: -1px; left: -1px; border-width: 2px 0 0 2px; }
.brand-mark::after { right: -1px; bottom: -1px; border-width: 0 2px 2px 0; }
.brand-name { font-size: 20px; font-weight: 700; white-space: nowrap; }
.nav-toggle {
 width: 44px; height: 44px; border-radius: 12px; border: 1px solid var(--line);
 background: transparent; display: inline-flex; flex-direction: column; justify-content: center; align-items: center; gap: 5px;
}
.nav-toggle span { width: 18px; height: 2px; background: var(--gold); display: block; }
.navbar-nav { gap: 6px; align-items: center; }
.nav-link {
 color: var(--text) !important; min-height: 44px; display: flex; align-items: center;
 padding: 8px 14px !important; border-radius: 999px; font-weight: 500; position: relative;
}
.nav-link:hover { color: var(--ember) !important; background: rgba(255, 106, 61, .08); }
.nav-link.is-current {
 background-image: var(--grad);
 -webkit-background-clip: text;
 background-clip: text;
 color: transparent !important;
 box-shadow: inset 0 -2px 0 var(--gold);
 border-radius: 0;
}
.nav-cta {
 border: 1px solid var(--sand);
 color: var(--sand) !important;
 background: transparent;
}
.nav-cta:hover { background: rgba(215, 196, 163, .1); color: #fff !important; }
main { display: block; }
main > section { padding: var(--pad) 0; position: relative; }
main > section:nth-child(odd) { background: var(--panel); }
main > section:nth-child(even) {
 background:
 linear-gradient(120deg, rgba(255, 106, 61, .12), rgba(232, 160, 74, .12) 48%, rgba(107, 45, 60, .12)),
 var(--ink);
}
.btn {
 --bs-btn-bg: transparent;
 --bs-btn-color: var(--text);
 --bs-btn-border-color: transparent;
 --bs-btn-hover-bg: transparent;
 --bs-btn-hover-color: var(--text);
 --bs-btn-hover-border-color: transparent;
 --bs-btn-active-bg: transparent;
 --bs-btn-active-color: var(--text);
 --bs-btn-disabled-bg: transparent;
 border-radius: 999px !important;
 min-height: 48px;
 padding: 12px 22px !important;
 font-weight: 700;
 border: 1px solid transparent;
 display: inline-flex;
 align-items: center;
 justify-content: center;
 transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
 text-decoration: none;
}
.btn-brand {
 background: var(--grad) !important;
 color: #1a100e !important;
 border: 0 !important;
 box-shadow: var(--shadow);
}
.btn-brand:hover {
 background: linear-gradient(100deg, #6B2D3C, #E8A04A 46%, #FF6A3D) !important;
 color: #fff8f2 !important;
 box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .65), var(--shadow);
 transform: translateY(-2px);
}
.btn-brand:active { transform: translateY(1px); }
.btn-ghost {
 background: transparent !important;
 color: var(--sand) !important;
 border: 1px solid var(--sand) !important;
}
.btn-ghost:hover { background: rgba(215, 196, 163, .1) !important; color: #fff !important; transform: translateY(-2px); }
.btn-ghost:active { transform: translateY(1px); }
.pill {
 display: inline-flex; align-items: baseline; gap: 6px;
 border-radius: 999px; padding: 6px 12px; border: 1px solid var(--line);
 background: #12110E; color: var(--sand); font-size: 14px; line-height: 1.2;
}
.pill b, .pill .num { color: var(--ember); font-size: 22px; }
.site-footer { padding: 48px 0 32px; background: #0e0d0b; border-top: 1px solid rgba(232, 160, 74, .45); }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr; gap: 24px 32px; align-items: start; }
.footer-brand p { color: var(--muted); margin: 10px 0 0; max-width: 460px; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 8px 18px; justify-content: flex-end; }
.footer-nav a { min-height: 44px; display: inline-flex; align-items: center; color: var(--sand); }
.footer-nav a:hover { color: var(--ember); }
.copy { grid-column: 1 / -1; color: var(--muted); margin: 8px 0 0; font-size: 14px; border-top: 1px solid rgba(232, 160, 74, .25); padding-top: 16px; }
.cat-panel {
 position: relative;
 display: grid;
 grid-template-columns: 1.3fr .7fr;
 gap: 28px;
 align-items: end;
 padding: 32px;
 border-radius: var(--radius);
 border: 1px solid var(--line);
 background: rgba(28, 25, 22, .92);
 box-shadow: var(--shadow);
 overflow: hidden;
}
.cat-panel::before {
 content: "";
 position: absolute;
 width: 18px; height: 18px;
 top: 12px; left: 12px;
 border-top: 2px solid rgba(200, 245, 74, .08);
 border-left: 2px solid rgba(200, 245, 74, .08);
}
.cat-panel::after {
 content: "";
 position: absolute;
 inset: 0;
 background: repeating-linear-gradient(to bottom, transparent 0 6px, rgba(200, 245, 74, .08) 6px 7px);
 pointer-events: none;
}
.cat-copy, .cat-side { position: relative; z-index: 1; }
.eyebrow { color: var(--gold); font-size: 14px; margin-bottom: 8px; letter-spacing: .08em; }
.lead { margin-top: 14px; color: var(--sand); max-width: 640px; font-size: 18px; }
.side-metrics { list-style: none; margin: 0 0 14px; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.side-metrics li {
 border-radius: 999px;
 border: 1px solid var(--line);
 background: #12110E;
 min-height: 74px;
 padding: 10px 14px;
 display: flex;
 flex-direction: column;
 justify-content: center;
 transition: transform .2s ease, border-color .2s ease;
}
.side-metrics li:hover { transform: translateY(-4px); border-color: var(--gold); }
.side-metrics .num { font-size: 28px; color: var(--ember); line-height: 1; }
.side-metrics span { color: var(--muted); font-size: 13px; }
.sort-label { display: flex; flex-direction: column; gap: 6px; color: var(--sand); font-size: 14px; }
.sort-label select {
 appearance: none;
 background: #12110E url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath fill='%23E8A04A' d='M1 1l5 5 5-5'/%3E%3C/svg%3E") no-repeat right 14px center / 12px 8px;
 color: var(--text);
 border: 1px solid var(--line);
 border-radius: 999px;
 min-height: 44px;
 padding: 0 36px 0 16px;
 width: 100%;
}
.sort-label select:hover { border-color: var(--gold); }
.sort-label select:focus-visible { border-color: var(--signal); }
.filter-head { display: flex; justify-content: space-between; gap: 16px; align-items: flex-end; margin-bottom: 16px; }
.filter-head p { color: var(--muted); max-width: 640px; }
.filter-count { color: var(--ember); font-size: 14px; white-space: nowrap; }
.filter-scroll {
 display: flex;
 gap: 10px;
 overflow-x: auto;
 position: sticky;
 top: 72px;
 z-index: 30;
 padding: 8px;
 border-radius: 999px;
 border: 1px solid var(--line);
 background: rgba(18, 17, 14, .94);
 box-shadow: var(--shadow);
}
.chip {
 flex: 0 0 auto;
 min-height: 44px;
 padding: 8px 18px;
 border-radius: 999px;
 border: 1px solid var(--line);
 background: transparent;
 color: var(--sand);
 font-weight: 700;
 transition: transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.chip:hover { transform: translateY(-2px); border-color: var(--gold); color: #fff; }
.chip.is-on { background: var(--grad); color: #1a100e; border-color: transparent; }
.chip:active { transform: translateY(1px); }
.list-head { display: flex; justify-content: space-between; gap: 12px; align-items: baseline; }
.list-head p { color: var(--muted); }
.pick-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.pick-card {
 background: rgba(28, 25, 22, .92);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 overflow: hidden;
 transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.pick-card:hover { transform: translateY(-4px); border-color: var(--gold); box-shadow: 0 18px 42px rgba(0, 0, 0, .42); }
.pick-link {
 display: grid;
 grid-template-columns: 42% 1fr;
 min-height: 100%;
 color: inherit;
}
.pick-link:hover { color: inherit; }
.pick-cover { width: 100%; height: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.pick-body { padding: 16px 16px 18px; display: flex; flex-direction: column; gap: 8px; }
.pick-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.pick-body p { color: var(--muted); font-size: 15px; }
.pick-meta { margin-top: auto; color: var(--sand) !important; font-size: 14px !important; }
.pick-meta .num { font-size: 22px; color: var(--ember); }
.empty-note {
 margin-top: 16px;
 padding: 18px 20px;
 border-radius: 16px;
 border: 1px dashed var(--line);
 color: var(--sand);
}
.path-rail { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.path-item {
 display: grid;
 grid-template-columns: auto 1fr;
 gap: 12px;
 align-items: center;
 padding: 16px;
 border-radius: 18px;
 border: 1px solid var(--line);
 background: rgba(18, 17, 14, .72);
 color: inherit;
 min-height: 112px;
 transition: transform .2s ease, border-color .2s ease;
}
.path-item:hover { transform: translateY(-4px); border-color: var(--gold); color: inherit; }
.path-no {
 width: 48px; height: 48px; border-radius: 999px;
 display: grid; place-items: center;
 border: 1px solid var(--line);
 color: var(--ember);
 font-size: 26px;
 background: #12110E;
}
.path-item strong { display: block; font-size: 18px; }
.path-item span { color: var(--muted); font-size: 14px; }
.scene-stack { display: grid; gap: 12px; }
.scene-bar {
 display: grid;
 grid-template-columns: 180px 1fr auto;
 gap: 18px;
 align-items: center;
 padding: 18px 20px;
 border-radius: 999px;
 border: 1px solid var(--line);
 background: rgba(28, 25, 22, .92);
 box-shadow: var(--shadow);
 position: relative;
 overflow: hidden;
}
.scene-bar::before {
 content: "";
 position: absolute;
 left: 16px; right: 16px; top: 8px; height: 2px;
 background: linear-gradient(90deg, transparent, rgba(200, 245, 74, .08), transparent);
}
.scene-bar b { font-size: 18px; }
.scene-bar p { color: var(--muted); }
.scene-time { color: var(--ember); font-size: 28px; white-space: nowrap; }
.axis { list-style: none; margin: 0; padding: 0 0 0 18px; border-left: 2px solid rgba(232, 160, 74, .45); display: grid; gap: 18px; }
.axis li {
 position: relative;
 padding: 14px 16px;
 margin-left: 18px;
 border-radius: 18px;
 border: 1px solid var(--line);
 background: rgba(28, 25, 22, .92);
}
.axis li::before {
 content: "";
 position: absolute;
 left: -27px; top: 22px;
 width: 12px; height: 12px; border-radius: 50%;
 background: var(--ember);
 box-shadow: 0 0 0 4px rgba(255, 106, 61, .2);
}
.axis time { display: block; color: var(--gold); font-size: 14px; }
.axis strong { display: block; margin: 2px 0; }
.axis p { color: var(--muted); }
.quote-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.quote-card {
 padding: 18px;
 border-radius: var(--radius);
 border: 1px solid var(--line);
 background: #12110E;
 box-shadow: var(--shadow);
 min-height: 168px;
 display: flex;
 flex-direction: column;
 gap: 10px;
}
.stars { color: var(--gold); letter-spacing: 2px; font-size: 14px; }
.quote-card q { font-size: 18px; quotes: "「" "」"; }
.quote-card q::before { content: open-quote; }
.quote-card q::after { content: close-quote; }
.quote-card span { margin-top: auto; color: var(--muted); font-size: 14px; }
.close-band {
 display: flex;
 justify-content: space-between;
 align-items: center;
 gap: 20px;
 padding: 32px;
 border-radius: var(--radius);
 border: 1px solid var(--line);
 background:
 linear-gradient(100deg, rgba(255, 106, 61, .2), rgba(232, 160, 74, .12) 46%, rgba(107, 45, 60, .28)),
 #1C1916;
 box-shadow: var(--shadow);
 position: relative;
}
.close-band::before {
 content: "";
 position: absolute;
 left: 0; top: 0; bottom: 0;
 width: 8px;
 background: var(--grad);
 border-radius: 24px 0 0 24px;
}
.close-band h2 { margin-bottom: 8px; }
.close-band p { color: var(--sand); max-width: 640px; }
.close-actions { display: flex; flex-wrap: wrap; gap: 12px; }
@media (max-width: 1199.98px) {
 .cat-panel { grid-template-columns: 1fr .85fr; }
}
@media (max-width: 991.98px) {
 :root { --pad: 64px; }
 .nav-toggle { display: inline-flex; }
 .navbar-collapse {
 background: var(--ink);
 border-top: 1px solid var(--line);
 padding: 8px 0 16px;
 }
 .navbar-nav { align-items: stretch; width: 100%; }
 .nav-link { width: 100%; border-radius: 12px; }
 .cat-panel, .scene-bar, .close-band { grid-template-columns: 1fr; }
 .scene-bar { border-radius: 24px; grid-template-columns: 1fr; }
 .footer-nav { justify-content: flex-start; }
 .footer-grid { grid-template-columns: 1fr; }
}
@media (min-width: 992px) {
 .nav-toggle { display: none; }
}
@media (max-width: 767.98px) {
 .pick-grid, .path-rail, .quote-row { grid-template-columns: 1fr; }
 .pick-link { grid-template-columns: 1fr; }
 .filter-head, .list-head, .close-band { flex-direction: column; align-items: flex-start; }
 .filter-scroll { border-radius: 18px; }
 .side-metrics { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 575.98px) {
 :root { --pad: 48px; }
 h1 { font-size: 32px; }
 h2 { font-size: 24px; }
 body { font-size: 16px; }
 .cat-panel { padding: 22px 18px; }
 .cat-panel::before, .cat-panel::after, .scene-bar::before { display: none; }
 .brand-name { font-size: 16px; }
 .side-metrics { grid-template-columns: 1fr; }
 .scene-time { font-size: 24px; }
}

/* roulang page: category2 */
:root {
  --ink: #12110E;
  --ink-2: #1C1916;
  --panel: #171511;
  --ember: #FF6A3D;
  --gold: #E8A04A;
  --wine: #6B2D3C;
  --sand: #D7C4A3;
  --text: #F6E7D4;
  --muted: #B7A892;
  --line: rgba(232, 160, 74, .45);
  --signal: #C8F54A;
  --radius: 24px;
  --shadow: 0 16px 40px rgba(0, 0, 0, .35);
  --grad: linear-gradient(100deg, #FF6A3D 0%, #E8A04A 52%, #6B2D3C 100%);
  --pad: 88px;
  --max: 1160px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: "Noto Sans SC", sans-serif;
  font-size: 17px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; height: auto; border: 0; }
a { color: var(--gold); text-decoration: none; }
a:hover { color: var(--ember); }
button, input, select { font-family: inherit; }
h1, h2, h3, p { margin: 0; }
h1 { font-size: 48px; line-height: 1.25; font-weight: 700; }
h2 { font-size: 32px; line-height: 1.25; font-weight: 700; }
h3 { font-size: 22px; line-height: 1.25; font-weight: 700; color: var(--text); }
.num { font-family: "Barlow Condensed", sans-serif; font-weight: 700; letter-spacing: .02em; color: var(--ember); }
:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; }
.container { width: 100%; max-width: var(--max); margin-inline: auto; padding-left: 20px; padding-right: 20px; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 1040;
  background: rgba(18, 17, 14, .92);
  border-bottom: 1px solid rgba(232, 160, 74, .7);
  backdrop-filter: blur(12px);
}
.nav-bar { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.navbar { padding: 0; position: relative; --bs-navbar-color: var(--text); --bs-navbar-hover-color: var(--ember); --bs-navbar-active-color: var(--gold); --bs-navbar-toggler-border-color: transparent; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); min-height: 44px; }
.brand:hover { color: var(--sand); }
.brand-mark {
  width: 22px; height: 22px; position: relative; flex: 0 0 auto;
  border: 1px solid rgba(232, 160, 74, .85);
}
.brand-mark::before, .brand-mark::after {
  content: ""; position: absolute; width: 7px; height: 7px; border-style: solid; border-color: var(--signal);
}
.brand-mark::before { top: -1px; left: -1px; border-width: 2px 0 0 2px; }
.brand-mark::after { right: -1px; bottom: -1px; border-width: 0 2px 2px 0; }
.brand-name { font-size: 20px; font-weight: 700; white-space: nowrap; }
.nav-toggle {
  width: 44px; height: 44px; border-radius: 12px; border: 1px solid var(--line);
  background: transparent; display: inline-flex; flex-direction: column; justify-content: center; align-items: center; gap: 5px;
}
.nav-toggle span { width: 18px; height: 2px; background: var(--gold); display: block; }
.navbar-nav { gap: 6px; align-items: center; }
.nav-link {
  color: var(--text) !important; min-height: 44px; display: flex; align-items: center;
  padding: 8px 14px !important; border-radius: 999px; font-weight: 500; position: relative;
}
.nav-link:hover { color: var(--ember) !important; background: rgba(255, 106, 61, .08); }
.nav-link:active { color: var(--sand) !important; }
.nav-link.is-current {
  background-image: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent !important;
  box-shadow: inset 0 -2px 0 var(--gold);
  border-radius: 0;
}
.nav-cta { border: 1px solid var(--sand); color: var(--sand) !important; background: transparent; }
.nav-cta:hover { background: rgba(215, 196, 163, .1); color: #fff !important; }
main { display: block; }
main > section { padding: var(--pad) 0; position: relative; }
main > section:nth-child(odd) { background: var(--panel); }
main > section:nth-child(even) {
  background:
    linear-gradient(120deg, rgba(255, 106, 61, .12), rgba(232, 160, 74, .12) 48%, rgba(107, 45, 60, .12)),
    var(--ink);
}
.page-head { display: grid; grid-template-columns: 1.45fr .55fr; gap: 32px; align-items: end; }
.scale {
  position: relative;
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 22px;
  padding-top: 16px;
  color: var(--muted);
  font-family: "Barlow Condensed", sans-serif;
  font-weight: 600;
  letter-spacing: .06em;
  font-size: 14px;
}
.scale::before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 0; height: 2px;
  background: var(--grad);
  opacity: .85;
}
.scale span { display: flex; flex-direction: column; align-items: flex-start; min-width: 36px; }
.scale span::before {
  content: "";
  width: 1px; height: 8px;
  background: var(--signal);
  margin-bottom: 6px;
}
.scope { margin-top: 12px; color: var(--sand); font-size: 18px; max-width: 640px; }
.head-side { display: flex; flex-direction: column; align-items: flex-end; gap: 10px; }
.pill {
  display: inline-flex; align-items: baseline; gap: 6px;
  border-radius: 999px; padding: 6px 12px; border: 1px solid var(--line);
  background: #12110E; color: var(--sand); font-size: 14px; line-height: 1.2;
}
.pill b, .pill .num { font-size: 22px; line-height: 1; }
.switch-section { padding-top: 28px; padding-bottom: 28px; }
.switch-row { display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.section-kicker { color: var(--muted); font-size: 14px; margin-bottom: 8px; }
.segment {
  display: flex; gap: 8px; flex-wrap: nowrap; overflow-x: auto;
  padding-bottom: 2px;
}
.seg-btn {
  flex: 0 0 auto;
  min-height: 44px;
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--sand);
  font-weight: 700;
  transition: transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.seg-btn:hover { transform: translateY(-2px); border-color: var(--gold); color: var(--text); }
.seg-btn:active { transform: translateY(1px); }
.seg-btn.is-on {
  background: var(--grad);
  color: #1a100e;
  border-color: transparent;
}
.list-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; margin-bottom: 22px; }
.sort-label { display: flex; align-items: center; gap: 10px; color: var(--sand); font-size: 14px; }
.sort-label select {
  min-height: 44px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #12110E;
  color: var(--text);
  padding: 0 16px;
}
.night-list { display: flex; flex-direction: column; gap: 16px; }
.wide-card, .soft-card, .demo-card, .plan, .review-card, .case, .feature-card, .news-item, .channel-card, .compare-col, .faq-wrap .accordion-item, .form-panel {
  background: rgba(28, 25, 22, .92);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.wide-card {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 20px;
  padding: 16px;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.wide-card[hidden] { display: none !important; }
.wide-card:hover { transform: translateY(-4px); border-color: #E8A04A; }
.wide-visual { position: relative; }
.wide-visual img { width: 100%; aspect-ratio: 16/9; object-fit: cover; border-radius: 24px; }
.wide-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 24px;
  pointer-events: none;
  background: repeating-linear-gradient(to bottom, transparent 0 7px, rgba(200, 245, 74, .06) 7px 8px);
}
.slot-badge { position: absolute; left: 12px; top: 12px; z-index: 1; }
.wide-body { display: flex; flex-direction: column; justify-content: center; gap: 10px; padding: 6px 8px 6px 0; }
.wide-body p { color: var(--text); }
.meta-row { display: flex; flex-wrap: wrap; gap: 8px; }
.entry-link { color: var(--text); }
.entry-link:hover { color: var(--ember); }
.rhythm-board { margin-top: 8px; }
.rhythm-board svg { width: 100%; height: auto; display: block; }
.rhythm-labels { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 6px; }
.rhythm-labels article { padding-top: 12px; border-top: 1px solid rgba(232, 160, 74, .45); }
.rhythm-labels h3 { margin-bottom: 6px; }
.rhythm-labels p { color: var(--muted); }
.note-list { list-style: none; margin: 8px 0 0; padding: 0; }
.note-list li {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 16px;
  align-items: start;
  padding: 18px 0;
  border-bottom: 1px solid rgba(232, 160, 74, .35);
}
.note-list a { font-weight: 700; font-size: 18px; color: var(--text); }
.note-list a:hover { color: var(--ember); }
.note-list p { color: var(--muted); margin-top: 4px; }
.note-idx { font-size: 28px; line-height: 1; }
.tier-line {
  display: grid;
  grid-template-columns: 180px 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 20px 0;
  border-bottom: 1px solid rgba(232, 160, 74, .35);
}
.tier-line p { color: var(--muted); font-size: 15px; }
.tier-track { height: 10px; border-radius: 999px; background: #12110E; border: 1px solid var(--line); overflow: hidden; }
.tier-track span { display: block; height: 100%; border-radius: inherit; background: var(--grad); }
.tier-price { font-size: 28px; white-space: nowrap; }
.tier-price small { font-family: "Noto Sans SC", sans-serif; font-size: 13px; color: var(--muted); font-weight: 500; margin-left: 4px; }
.compare-foot { margin-top: 18px; }
.faq-wrap { display: flex; flex-direction: column; gap: 12px; }
.faq-wrap .accordion-item { position: relative; overflow: hidden; background: rgba(28, 25, 22, .92); color: var(--text); }
.faq-wrap .accordion-item::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--grad);
  opacity: 0;
}
.faq-wrap .accordion-item:has(.accordion-collapse.show)::before { opacity: 1; }
.accordion-button {
  background: transparent;
  color: var(--text);
  font-weight: 700;
  font-size: 18px;
  box-shadow: none;
  padding: 18px 22px;
  min-height: 44px;
}
.accordion-button:not(.collapsed) { background: transparent; color: var(--sand); box-shadow: none; }
.accordion-button:focus { box-shadow: none; }
.accordion-button::after { filter: sepia(1) saturate(4) hue-rotate(350deg); }
.accordion-body { color: var(--text); padding: 0 22px 18px 22px; }
.cta-band {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 36px;
  border-radius: 24px;
  border: 1px solid transparent;
  background:
    linear-gradient(#171511, #171511) padding-box,
    var(--grad) border-box;
  box-shadow: var(--shadow);
}
.cta-band p { color: var(--sand); margin-top: 8px; max-width: 560px; }
.hero-actions, .cta-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  --bs-btn-bg: transparent;
  --bs-btn-color: var(--text);
  --bs-btn-border-color: transparent;
  --bs-btn-hover-bg: transparent;
  --bs-btn-hover-color: var(--text);
  --bs-btn-hover-border-color: transparent;
  --bs-btn-active-bg: transparent;
  --bs-btn-active-color: var(--text);
  --bs-btn-disabled-bg: transparent;
  border-radius: 999px !important;
  min-height: 48px;
  padding: 12px 22px !important;
  font-weight: 700;
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
}
.btn-brand {
  background: var(--grad) !important;
  color: #1a100e !important;
  border: 0 !important;
  box-shadow: var(--shadow);
}
.btn-brand:hover {
  background: linear-gradient(100deg, #6B2D3C, #E8A04A 46%, #FF6A3D) !important;
  color: #fff8f2 !important;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .65), var(--shadow);
  transform: translateY(-2px);
}
.btn-brand:active { transform: translateY(1px); }
.btn-ghost {
  background: transparent !important;
  color: var(--sand) !important;
  border: 1px solid var(--sand) !important;
}
.btn-ghost:hover { background: rgba(215, 196, 163, .1) !important; color: #fff !important; transform: translateY(-2px); }
.btn-ghost:active { transform: translateY(1px); }
.site-footer { padding: 48px 0 36px; border-top: 1px solid rgba(232, 160, 74, .7); background: #12110E; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr; gap: 18px 28px; align-items: start; }
.footer-brand p { color: var(--muted); margin-top: 10px; max-width: 460px; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 8px 18px; justify-content: flex-end; }
.footer-nav a { min-height: 44px; display: inline-flex; align-items: center; color: var(--sand); }
.footer-nav a:hover { color: var(--ember); }
.copy { grid-column: 1 / -1; color: var(--muted); margin-top: 8px; }
@media (max-width: 1199.98px) {
  .wide-card { grid-template-columns: 260px 1fr; }
}
@media (max-width: 991.98px) {
  :root { --pad: 64px; }
  .navbar-collapse {
    position: absolute;
    left: 0; right: 0; top: 72px;
    background: rgba(18, 17, 14, .98);
    border-bottom: 1px solid var(--line);
    padding: 8px 20px 16px;
  }
  .navbar-nav { align-items: stretch; }
  .nav-link { width: 100%; }
  .page-head, .switch-row, .list-head, .cta-band, .footer-grid { grid-template-columns: 1fr; }
  .switch-row, .list-head, .cta-band { display: flex; flex-direction: column; align-items: flex-start; }
  .head-side, .footer-nav { align-items: flex-start; justify-content: flex-start; }
  .nav-toggle { display: inline-flex; }
}
@media (min-width: 992px) {
  .nav-toggle { display: none; }
}
@media (max-width: 767.98px) {
  .wide-card, .tier-line, .note-list li { grid-template-columns: 1fr; }
  .rhythm-labels { grid-template-columns: 1fr; }
  .tier-price { justify-self: start; }
}
@media (max-width: 575.98px) {
  :root { --pad: 48px; }
  h1 { font-size: 32px; }
  h2 { font-size: 24px; }
  body { font-size: 16px; }
  .scale { display: none; }
  .scope { font-size: 16px; }
  .cta-band { padding: 22px; }
  .brand-name { font-size: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}